Learn about the surface area and volume of a cylinder with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

The equation is remarkable because it relates two very different quantities: the curvature of the surface on the one hand and the topology of the surface on the other hand.

Cylinder Bore Surface Treatment, Under Pressure April 1, 2014 Saves investment, operating costs Flexible, modular design More applications: medical equipment, jet engines Robert Brooks ...

The best engine to have, then, would be one with a small bore and a long stroke. Why? Well, it's a bit more complicated than the power equation, but it involves surface area.